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2193145374 = 23752217747
BaseRepresentation
bin1000001010111000…
…1011111000011110
312122211210022212110
42002232023320132
513442421122444
61001342414450
7105230266560
oct20256137036
95584708773
102193145374
11a25a78642
12512591426
1328c4a1674
1416b3b5330
15cc815cb9
hex82b8be1e

2193145374 has 16 divisors (see below), whose sum is σ = 5012903808. Its totient is φ = 626612952.

The previous prime is 2193145373. The next prime is 2193145379. The reversal of 2193145374 is 4735413912.

2193145374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193145373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26108832 + ... + 26108915.

It is an arithmetic number, because the mean of its divisors is an integer number (313306488).

Almost surely, 22193145374 is an apocalyptic number.

2193145374 is an abundant number, since it is smaller than the sum of its proper divisors (2819758434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2193145374 is a wasteful number, since it uses less digits than its factorization.

2193145374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52217759.

The product of its digits is 90720, while the sum is 39.

The square root of 2193145374 is about 46831.0300335152. The cubic root of 2193145374 is about 1299.2392736672.

The spelling of 2193145374 in words is "two billion, one hundred ninety-three million, one hundred forty-five thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 52217747 104435494 156653241 313306482 365524229 731048458 1096572687 2193145374